Overview
The MC74ACT244DWR2G is an octal buffer and line driver produced by onsemi. This component is designed to enhance PC board density and is suitable for various applications such as memory address drivers, clock drivers, and bus-oriented transmitter/receivers. It features 3-state outputs, which can drive bus lines or buffer memory address registers, making it versatile in digital circuit designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | -0.5 to +7.0 | V |
| DC Input Voltage (VIN) | -0.5 to VCC + 0.5 | V |
| DC Output Voltage (VOUT) | -0.5 to VCC + 0.5 | V |
| Output Current - High (IOH) | -24 mA | mA |
| Output Current - Low (IOL) | 24 mA | mA |
| Operating Ambient Temperature Range (TA) | -40 to 85 | °C |
| Storage Temperature Range (TSTG) | -65 to 150 | °C |
| Lead Temperature (TL) | 260 | °C |
| Junction Temperature Under Bias (TJ) | 140 | °C |
| Thermal Resistance (JA) | 2.0 to 6.0 | °C/W |
Key Features
- 3-state outputs that can drive bus lines or buffer memory address registers.
- Outputs source/sink up to 24 mA.
- TTL compatible inputs for the MC74ACT244 version.
- Pb-free devices, making them environmentally friendly.
- Available in SOIC-20 and TSSOP-20 packages.
Applications
- Memory address drivers: Ideal for buffering memory address registers in memory systems.
- Clock drivers: Suitable for driving clock signals in digital circuits.
- Bus-oriented transmitter/receivers: Enhances signal integrity and reduces noise in bus communication systems.
- General-purpose buffering: Can be used in various digital circuits where signal buffering is required.
Q & A
- What is the MC74ACT244DWR2G used for?
The MC74ACT244DWR2G is used as an octal buffer and line driver, suitable for applications such as memory address drivers, clock drivers, and bus-oriented transmitter/receivers.
- What are the key features of the MC74ACT244DWR2G?
Key features include 3-state outputs, TTL compatible inputs, Pb-free construction, and the ability to source/sink up to 24 mA.
- What are the operating temperature ranges for the MC74ACT244DWR2G?
The operating ambient temperature range is -40°C to 85°C, and the storage temperature range is -65°C to 150°C.
- What are the package options for the MC74ACT244DWR2G?
The component is available in SOIC-20 and TSSOP-20 packages.
- What is the maximum output current for the MC74ACT244DWR2G?
The maximum output current is 24 mA for both high and low states.
- Is the MC74ACT244DWR2G Pb-free?
- What is the thermal resistance of the MC74ACT244DWR2G?
The thermal resistance ranges from 2.0 to 6.0 °C/W depending on the package type.
- Can the MC74ACT244DWR2G be used in high-speed applications?
- How do I determine the correct part number for ordering?
The part number MC74ACT244DWR2G includes details about the device type, package, and other specific characteristics. Refer to the ordering information section of the datasheet for more details.
- What is the significance of the 'ACT' in MC74ACT244DWR2G?
The 'ACT' indicates that the device has TTL compatible inputs, which is a key feature distinguishing it from the 'AC' version.
